31286640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1693}}^1$

素因数の和:1727

約数の個数: 160

約数和(自身を含む): 120992256

約数和(自身を除く): 89705616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1540, 1680, 1693, 1848, 2310, 2640, 3080, 3386, 3696, 4620, 5079, 6160, 6772, 8465, 9240, 10158, 11851, 13544, 16930, 18480, 18623, 20316, 23702, 25395, 27088, 33860, 35553, 37246, 40632, 47404, 50790, 55869, 59255, 67720, 71106, 74492, 81264, 93115, 94808, 101580, 111738, 118510, 130361, 135440, 142212, 148984, 177765, 186230, 189616, 203160, 223476, 237020, 260722, 279345, 284424, 297968, 355530, 372460, 391083, 406320, 446952, 474040, 521444, 558690, 568848, 651805, 711060, 744920, 782166, 893904, 948080, 1042888, 1117380, 1303610, 1422120, 1489840, 1564332, 1955415, 2085776, 2234760, 2607220, 2844240, 3128664, 3910830, 4469520, 5214440, 6257328, 7821660, 10428880, 15643320, 31286640]

約数ペア:

[(1, 31286640), (2, 15643320), (3, 10428880), (4, 7821660), (5, 6257328), (6, 5214440), (7, 4469520), (8, 3910830), (10, 3128664), (11, 2844240), (12, 2607220), (14, 2234760), (15, 2085776), (16, 1955415), (20, 1564332), (21, 1489840), (22, 1422120), (24, 1303610), (28, 1117380), (30, 1042888), (33, 948080), (35, 893904), (40, 782166), (42, 744920), (44, 711060), (48, 651805), (55, 568848), (56, 558690), (60, 521444), (66, 474040), (70, 446952), (77, 406320), (80, 391083), (84, 372460), (88, 355530), (105, 297968), (110, 284424), (112, 279345), (120, 260722), (132, 237020), (140, 223476), (154, 203160), (165, 189616), (168, 186230), (176, 177765), (210, 148984), (220, 142212), (231, 135440), (240, 130361), (264, 118510), (280, 111738), (308, 101580), (330, 94808), (336, 93115), (385, 81264), (420, 74492), (440, 71106), (462, 67720), (528, 59255), (560, 55869), (616, 50790), (660, 47404), (770, 40632), (840, 37246), (880, 35553), (924, 33860), (1155, 27088), (1232, 25395), (1320, 23702), (1540, 20316), (1680, 18623), (1693, 18480), (1848, 16930), (2310, 13544), (2640, 11851), (3080, 10158), (3386, 9240), (3696, 8465), (4620, 6772), (5079, 6160)]